Subject: Biology
Level: Class 10 / Secondary Level
Topic: Reproduction and Genetics
Questions:
What are chromosomes? Explain how the number of chromosomes is maintained in sexually reproducing organisms.
a) What provides nutrition to human sperm?
b) State the genetic constitution of a human sperm.
c) Mention the chromosome pair present in a zygote that determines the sex of:
i) a female child
ii) a male child

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